<div class="container">
    <div class="foot-itema">
        <img src="images/foot1.png" alt="中关村协同发展">
        <img src="images/foot2.png" alt="科技金融超市">
    </div>
    <div class="foot-itemb">
        <a href="http://zhizhao.bjzcdi.com:180/" target="_blank"><img src="images/foot3.png" alt=""></a>
        <a href="http://124.205.31.66:2097" target="_blank"><img src="images/foot4.png" alt=""></a>
    </div>
    <div class="foot-itemc">
        <a href="http://www.bjzcdi.com/" target="_blank"><img src="images/foot5.png" alt=""></a>
    </div>
</div>